[[Second Part]] -----------------------+---------------------------+----------------- Sub-Orders. | Families. | Genera. -----------------------+---------------------------+----------------- | | | | {_Archiprimas_++ { 1. LEMURAVIDA | {1. PACHYLEMURES* | {_Lemuravus_* { (_Palalemures_) | {(_Hypopsodina_) | { Early Eocene { Early lemurs | { | {_Pelycodus_* { (generalists) | {Dent. 44=3.1.4.3/3.1.4.3 | { Early Eocene { Originally with | {Primitive dentition | {_Hypopsodus_* { claws on all or | { | { Late Eocene { most fingers: later | {2. NECROLEMURES | { transition to nails. | {(_Anaptomorpha_) | {_Adapis_* { Tarsus primitive. | { | {_Plesiadapis_* { | {Dent. 40=2.1.4.3/2.1.4.3 | {Necrolemur* { | {Reduced dentition | { | | {_Eulemur_ { | {3. AUTOLEMURES+ | {_Hapalemur_ { | {(_Lemurida_) | {_Lepilemur_ { 2. LEMUROGONA | { | {_Nycticebus_ { (_Neolemures_) | {Dent. 36=2.1.3.3/2.1.3.3 | {_Stenops_ { Modern lemures | {Specialised dentition | {_Galago_ { (specialists) | { | { All fingers usually | {4. CHIROLEMURES+ | {_Chiromys_ { have nails (except | {(_Chiromyida_) | { (Claws on all { the second toe). | { | { fingers except { Tarsus modified. | {Dent. 18=1.0.1.3/1.0.0.3 | { first) | {Rodent dentition | | | -----------------------+---------------------------+----------------- | | | {5. ARCTOPITHECA+ | {_Hapale_ { 3. PLATYRRHINAE | { | {_Midas_ { Flat-nosed apes | {Dent. 32=2.1.3.2/2.1.3.2 | { _Hesperopitheca_ | {Nail on hallux only | { Western apes | { | {_Callithrix_ { (American) | {6. DYSMOPITHECA+ | {_Nyctipithecus_ { Nostrils lateral, | { | {_Cebus_ { with wide partition | {Dent. 36=2.1.3.3/2.1.3.3 | {_Mycetes_ { 3 premolars | {Nails on all fingers | {_Ateles_ { | | { | {7. CYNOPITHECA+ | {_Cynocephalus_ { | { | {_Cercopithecus_ { | {Dent 32=2.1.2.3/2.1.2.3 | {_Inuus_ { | {Generally with tail | {_Semnopithecus_ { 4.